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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/net/wireless/intel/iwlwifi/fw/init.c
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@@ -6,6 +6,7 @@
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  * GPL LICENSE SUMMARY
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  *
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  * Copyright(c) 2017 Intel Deutschland GmbH
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+ * Copyright(c) 2019 - 2020 Intel Corporation
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  *
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  * This program is free software; you can redistribute it and/or modify
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  * it under the terms of version 2 of the GNU General Public License as
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@@ -26,6 +27,7 @@
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  * BSD LICENSE
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  *
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  * Copyright(c) 2017 Intel Deutschland GmbH
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+ * Copyright(c) 2019 - 2020 Intel Corporation
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  * All rights reserved.
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  *
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  * Redistribution and use in source and binary forms, with or without
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@@ -60,11 +62,16 @@
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 #include "dbg.h"
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 #include "debugfs.h"
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+#include "fw/api/soc.h"
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+#include "fw/api/commands.h"
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+
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 void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
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 			const struct iwl_fw *fw,
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 			const struct iwl_fw_runtime_ops *ops, void *ops_ctx,
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 			struct dentry *dbgfs_dir)
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 {
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+	int i;
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+
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 	memset(fwrt, 0, sizeof(*fwrt));
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 	fwrt->trans = trans;
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 	fwrt->fw = fw;
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@@ -72,7 +79,10 @@
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 	fwrt->dump.conf = FW_DBG_INVALID;
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 	fwrt->ops = ops;
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 	fwrt->ops_ctx = ops_ctx;
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-	INIT_DELAYED_WORK(&fwrt->dump.wk, iwl_fw_error_dump_wk);
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+	for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++) {
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+		fwrt->dump.wks[i].idx = i;
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+		INIT_DELAYED_WORK(&fwrt->dump.wks[i].wk, iwl_fw_error_dump_wk);
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+	}
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 	iwl_fwrt_dbgfs_register(fwrt, dbgfs_dir);
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 }
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 IWL_EXPORT_SYMBOL(iwl_fw_runtime_init);
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@@ -88,3 +98,52 @@
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 	iwl_fw_resume_timestamp(fwrt);
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 }
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 IWL_EXPORT_SYMBOL(iwl_fw_runtime_resume);
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+
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+/* set device type and latency */
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+int iwl_set_soc_latency(struct iwl_fw_runtime *fwrt)
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+{
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+	struct iwl_soc_configuration_cmd cmd = {};
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+	struct iwl_host_cmd hcmd = {
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+		.id = iwl_cmd_id(SOC_CONFIGURATION_CMD, SYSTEM_GROUP, 0),
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+		.data[0] = &cmd,
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+		.len[0] = sizeof(cmd),
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+	};
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+	int ret;
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+
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+	/*
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+	 * In VER_1 of this command, the discrete value is considered
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+	 * an integer; In VER_2, it's a bitmask.  Since we have only 2
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+	 * values in VER_1, this is backwards-compatible with VER_2,
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+	 * as long as we don't set any other bits.
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+	 */
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+	if (!fwrt->trans->trans_cfg->integrated)
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+		cmd.flags = cpu_to_le32(SOC_CONFIG_CMD_FLAGS_DISCRETE);
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+
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+	BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_NONE !=
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+		     SOC_FLAGS_LTR_APPLY_DELAY_NONE);
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+	BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_200US !=
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+		     SOC_FLAGS_LTR_APPLY_DELAY_200);
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+	BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_2500US !=
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+		     SOC_FLAGS_LTR_APPLY_DELAY_2500);
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+	BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_1820US !=
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+		     SOC_FLAGS_LTR_APPLY_DELAY_1820);
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+
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+	if (fwrt->trans->trans_cfg->ltr_delay != IWL_CFG_TRANS_LTR_DELAY_NONE &&
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+	    !WARN_ON(!fwrt->trans->trans_cfg->integrated))
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+		cmd.flags |= le32_encode_bits(fwrt->trans->trans_cfg->ltr_delay,
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+					      SOC_FLAGS_LTR_APPLY_DELAY_MASK);
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+
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+	if (iwl_fw_lookup_cmd_ver(fwrt->fw, IWL_ALWAYS_LONG_GROUP,
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+				  SCAN_REQ_UMAC,
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+				  IWL_FW_CMD_VER_UNKNOWN) >= 2 &&
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+	    fwrt->trans->trans_cfg->low_latency_xtal)
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+		cmd.flags |= cpu_to_le32(SOC_CONFIG_CMD_FLAGS_LOW_LATENCY);
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+
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+	cmd.latency = cpu_to_le32(fwrt->trans->trans_cfg->xtal_latency);
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+
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+	ret = iwl_trans_send_cmd(fwrt->trans, &hcmd);
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+	if (ret)
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+		IWL_ERR(fwrt, "Failed to set soc latency: %d\n", ret);
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+	return ret;
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+}
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+IWL_EXPORT_SYMBOL(iwl_set_soc_latency);